./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:44,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:44,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:44,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:44,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:44,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:44,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:44,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:44,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:44,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:44,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:44,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:44,620 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:44,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:44,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:44,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:44,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:44,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:44,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:44,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:44,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:44,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:44,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:44,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:44,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:44,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:44,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:44,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:44,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:44,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:44,638 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:44,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:44,638 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:44,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-11-24 23:03:44,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:44,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:44,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:44,985 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:44,986 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:44,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-24 23:03:48,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:48,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:48,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-24 23:03:48,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/data/8d90d0512/7104d45f713c4e298bd0c5360677866d/FLAG3a6756efe [2023-11-24 23:03:48,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/data/8d90d0512/7104d45f713c4e298bd0c5360677866d [2023-11-24 23:03:48,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:48,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:48,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:48,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:48,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:48,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:48" (1/1) ... [2023-11-24 23:03:48,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67494e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:48, skipping insertion in model container [2023-11-24 23:03:48,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:48" (1/1) ... [2023-11-24 23:03:48,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:49,525 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-11-24 23:03:49,960 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-11-24 23:03:49,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:49,986 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:50,038 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2023-11-24 23:03:50,210 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2023-11-24 23:03:50,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:50,261 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:50,269 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:50,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50 WrapperNode [2023-11-24 23:03:50,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:50,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:50,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:50,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:50,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,479 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3187 [2023-11-24 23:03:50,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:50,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:50,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:50,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:50,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:50,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:50,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:50,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:50,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:50" (1/1) ... [2023-11-24 23:03:50,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:50,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:50,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:50,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7410ce6f-e8e9-4590-8435-114cd3a1fedb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:03:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:03:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:03:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:03:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:03:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:03:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:03:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:03:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:03:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:03:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:51,081 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:51,084 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:54,266 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:56,159 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:56,159 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-24 23:03:56,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:56 BoogieIcfgContainer [2023-11-24 23:03:56,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:56,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:56,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:56,173 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:56,174 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:56" (1/1) ... [2023-11-24 23:03:56,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1106 states and 2176 transitions. [2023-11-24 23:03:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2176 transitions. [2023-11-24 23:03:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:56,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1106 states and 2171 transitions. [2023-11-24 23:03:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2171 transitions. [2023-11-24 23:03:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:03:56,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1108 states and 2170 transitions. [2023-11-24 23:03:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2170 transitions. [2023-11-24 23:03:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:03:56,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:56,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:56,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1108 states and 2166 transitions. [2023-11-24 23:03:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2166 transitions. [2023-11-24 23:03:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:03:56,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:57,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:57,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:07,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:04:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1108 states and 2160 transitions. [2023-11-24 23:04:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2160 transitions. [2023-11-24 23:04:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:04:07,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:07,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1108 states and 2154 transitions. [2023-11-24 23:04:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2154 transitions. [2023-11-24 23:04:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:04:07,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:07,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:17,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:04:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1108 states and 2146 transitions. [2023-11-24 23:04:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2146 transitions. [2023-11-24 23:04:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:04:17,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:17,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:18,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:28,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:04:38,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:04:48,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []